Home / 2,620.22-3,615.93-1,501.20

Finding the Fourth Proportional to 2,620.22, 3,615.93 and 1,501.20

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Solution

The fourth proportional to 2,620.22, 3,615.93 and 1,501.20 is: 2,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.22 : 3,615.93 = 1,501.20 : x
  2. Step 2: Convert to fraction form
    2,620.22/3,615.93 = 1,501.20/x
  3. Step 3: Cross multiply
    2,620.22x = 3,615.93 × 1,501.20
  4. Step 4: Simplify right side
    2,620.22x = 5,428,234.12
  5. Step 5: Solve for x
    x = 5,428,234.12/2,620.22
  6. Step 6: Final answer
    x = 2,071.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.